A car whose mass is 1500 kg is accelerating at 0.75 m/s/s for 30 seconds. How much force must the engine generate to achieve this acceleration?

Work is reduced while time is decreased

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.